Another awesome sci-fi role for Summer Glau: Chuck's newest spy

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Dec 14, 2012, 4:31 PM EST

Summer Glau is joining Chuck, and all is right with the world. The ex-Terminatrix has signed on to play a secret agent who sets up shop with Zachary Levi in the Buy More—but, alas, it's for one night only.

One of our favorite Whedonverse veterans is enlisting for a short stint at the Buy More. EW's Michael Ausiello reports that for Chuck's eighth episode, Glau will step into the role of Greta—the same role that Olivia Munn played last week—a rotating superspy who'll be played by a different actor each episode. (So far, Chuck's producers have already lined up ex-wrestler Stacy Keibler and Old Spice pitchman Isaiah Mustafa.)

To help explain, here's Levi:

"The Buy More has now been taken over by the CIA and it's a fully functioning operation by the government, so there are these constant agents that are in the store. First it was Olivia Munn, who looked hot in her little Nerd Herder outfit, and [next was] Isaiah, who was a hoot to work with."

And for those of you—okay, those of us—wishing Glau's stay on Chuck could be longer, she's still committed to NBC's midseason superhero drama The Cape. But still, we're glad to see that Glau is steadily adding to her already impressive sci-fi resume.

(via EW)